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23452 = 22111341
BaseRepresentation
bin101101110011100
31012011121
411232130
51222302
6300324
7125242
oct55634
935147
1023452
1116690
12116a4
13a8a0
148792
156e37
hex5b9c

23452 has 24 divisors (see below), whose sum is σ = 49392. Its totient is φ = 9600.

The previous prime is 23447. The next prime is 23459. The reversal of 23452 is 25432.

Subtracting from 23452 its sum of digits (16), we obtain a triangular number (23436 = T216).

Adding to 23452 its reverse (25432), we get a palindrome (48884).

It is a d-powerful number, because it can be written as 27 + 39 + 4 + 55 + 29 .

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552 + ... + 592.

It is an arithmetic number, because the mean of its divisors is an integer number (2058).

223452 is an apocalyptic number.

23452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23452 is an abundant number, since it is smaller than the sum of its proper divisors (25940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24696).

23452 is a wasteful number, since it uses less digits than its factorization.

23452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69 (or 67 counting only the distinct ones).

The product of its digits is 240, while the sum is 16.

The square root of 23452 is about 153.1404584034. The cubic root of 23452 is about 28.6237564851.

The spelling of 23452 in words is "twenty-three thousand, four hundred fifty-two".

Divisors: 1 2 4 11 13 22 26 41 44 52 82 143 164 286 451 533 572 902 1066 1804 2132 5863 11726 23452